======================== unified (from filesystem) ========================
                                         'bitrate'  '254.389'
                                        'duration'  '296'
                                          'artist'  'AWOLNATION'
                                     'text_people'  ''
                                         'release'  'Back From Earth'
                                           'title'  'Burn It Down (Innerpartysystem'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie rock', 'indie', 'rock', 'alternative', 'electronic', 'chill']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '127.444'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'COMM:ID3v1 Comment:XXX'                            'Amazon.com Song ID: 21636921'
'TALB' (Album/Movie/Show title)                     'Back From Earth'
'TBPM' (BPM (beats per minute))                     '127.444'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Burn It Down (Innerpartysystem'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'AWOLNATION'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie rock', 'indie', 'rock', 'alternative', 'electronic', 'chill']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.75 dB'
'TXXX:replaygain_track_peak'                        '0.444620'

========================== row from database ==========================
                                              'id'  1319076
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/AWOLNATION/05 - Burn It Down (Innerpartysystem Remix).mp3
                                         'working'  None
                                         'bitrate'  254
                                    'duration_sec'  296
                                           'genre'  electronic-unsorted
                                        'filesize'  9430369
                                           'mtime'  1620572472
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted 05 Remix) electronic unsorted
                                      'tag_artist'  AWOLNATION
                                     'tag_release'  Back From Earth
                                       'tag_title'  Burn It Down (Innerpartysystem
                                             'bpm'  127.444
                                    'search_title'  'burn':1 'down':3 'innerpartysystem':4,5 'it':2
                                   'search_artist'  'awolnation':1
                                  'search_release'  'back':1 'earth':3 'from':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':5 'remix':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'awolnation':6B 'back':7C 'burn':1A 'down':3A 'earth':9C 'electronic':14 'from':8C 'innerpartysystem':4A,5A 'it':2A 'remix':12,13 'unsorted':11
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie rock', 'indie', 'rock', 'alternative', 'electronic', 'chill']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572472.2073195  (2021-05-09 17:01:12)
                             'size'  9430369